Controller for an energy management system



FIG. 1 is a front elevational view of a controller for an energy management system showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a side elevational view thereof; and

FIG. 5 is a front perspective view thereof.

The undisclosed rear is substantially flat and unornamented. 

The ornamental design for a controller for an energy management system, substantially as shown and described. 